Abdominal exercise device



The abdominal exercise device provides both concentric and eccentric resistance during abdominal muscle exercises.

FIG. 1 is a perspective view of an abdominal exercise device;

FIG. 2 is a front elevational view of the abdominal exercise device of FIG. 1;

FIG. 3 is a side elevational view of the abdominal exercise device of FIG. 1;

FIG. 4 is a rear elevational view of the abdominal exercise device of FIG. 1;

FIG. 5 is a top view of the abdominal exercise device of FIG. 1; and,

FIG. 6 is a bottom view of the abdominal exercise device of FIG. 1. 

The ornamental design for an abdominal exercise device, as shown and described. 